Treatment cabinet



FIG. 1 is a perspective view showing our new design;

FIG. 2 is a front view of our new design;

FIG. 3 is a rear view of our new design;

FIG. 4 is a side view of our design;

FIG. 5 is an opposing side view of our new design;

FIG. 6 is a top view of our new design; and,

FIG. 7 is a bottom view of our new design. 

The ornamental design for a treatment cabinet, as shown and described. 